I have a moderately large database (150K records of nine fields, a bit under 500 bytes
per record with a primary key.   The database is of Type BDB.

To improve query performance I concluded I needed to add a three element index.  
Running 

        alter table foo add index udex( w_1, w_2, w3 );

genearated some error condition

        Error 1030 table_handler error 12

A net posting suggested 

        set SQL_BIG_TABLES=1

as a solution, but it made no change.

I then exported the table modified the create statement to include the index,
and then attempted to load the result.   It ran along fine, but eventually 
crashed the server producing 

        Error 2002, Cannot connect to server

diagnostics--lots of them.

The host machine is a dual processor Athlon with 2GB of memory.  Operating system is 
Linux, RH7.3. 

Can anyone suggest what might be the problem?  Thanks.



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